28% (1969)

58% (2023)

63% (1989)

63% (1998)

60% (1955)

47% (2006)

68% (2004)

68% (2014)

45% (1974)

60% (1999)

62% (1997)

49% (1964)

39% (1980)

55% (2014)

59% (1985)

51% (1986)

64% (2016)

50% (1975)

60% (1954)

60% (2007)